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Provide a mechanism for Pantheon to integrate plugin code at runtime. Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
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Danno Ferrin
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May 17, 2019
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...s/src/test/java/tech/pegasys/pantheon/tests/acceptance/plugins/PluginsAcceptanceTest.java
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| /* | ||
| * Copyright 2019 ConsenSys AG. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
| package tech.pegasys.pantheon.tests.acceptance.plugins; | ||
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|
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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|
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| import tech.pegasys.pantheon.tests.acceptance.dsl.AcceptanceTestBase; | ||
| import tech.pegasys.pantheon.tests.acceptance.dsl.node.PantheonNode; | ||
|
|
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.Collections; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.stream.Stream; | ||
|
|
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| import org.awaitility.Awaitility; | ||
| import org.junit.Before; | ||
| import org.junit.Ignore; | ||
| import org.junit.Test; | ||
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| public class PluginsAcceptanceTest extends AcceptanceTestBase { | ||
| private PantheonNode node; | ||
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| // context: https://en.wikipedia.org/wiki/The_Magic_Words_are_Squeamish_Ossifrage | ||
| private static final String MAGIC_WORDS = "Squemish Ossifrage"; | ||
|
|
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| @Before | ||
| public void setUp() throws Exception { | ||
| node = | ||
| pantheon.createPluginsNode( | ||
| "node1", | ||
| Collections.singletonList("testPlugin"), | ||
| Collections.singletonList("--Xtest-option=" + MAGIC_WORDS)); | ||
| cluster.start(node); | ||
| } | ||
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| @Test | ||
| public void shouldRegister() throws IOException { | ||
| final Path registrationFile = node.homeDirectory().resolve("plugins/testPlugin.registered"); | ||
| waitForFile(registrationFile); | ||
|
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| // this assert is false as CLI will not be parsed at this point | ||
| assertThat(Files.readAllLines(registrationFile).stream().anyMatch(s -> s.contains(MAGIC_WORDS))) | ||
| .isFalse(); | ||
| } | ||
|
|
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| @Test | ||
| public void shouldStart() throws IOException { | ||
| final Path registrationFile = node.homeDirectory().resolve("plugins/testPlugin.started"); | ||
| waitForFile(registrationFile); | ||
|
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| // this assert is true as CLI will be parsed at this point | ||
| assertThat(Files.readAllLines(registrationFile).stream().anyMatch(s -> s.contains(MAGIC_WORDS))) | ||
| .isTrue(); | ||
| } | ||
|
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| @Test | ||
| @Ignore("No way to do a graceful shutdown of Pantheon at the moment.") | ||
| public void shouldStop() { | ||
| cluster.stopNode(node); | ||
| waitForFile(node.homeDirectory().resolve("plugins/testPlugin.stopped")); | ||
| } | ||
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| private void waitForFile(final Path path) { | ||
| final File file = path.toFile(); | ||
| Awaitility.waitAtMost(30, TimeUnit.SECONDS) | ||
| .until( | ||
| () -> { | ||
| if (file.exists()) { | ||
| try (final Stream<String> s = Files.lines(path)) { | ||
| return s.count() > 0; | ||
| } | ||
| } else { | ||
| return false; | ||
| } | ||
| }); | ||
| } | ||
| } |
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